1987 350 honda four trax - Honda ATV Forum
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post #1 of 5 (permalink) Old 11-18-2018, 10:56 AM Thread Starter
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Post 1987 350 honda four trax

Hell, Iím new to this forum thing.
I have this fuel prob. No gas to the carb, Ive replaced the fuel cut relay and the fuel pump. All fuel lines are clear and pit cock is clear. Hasn anyone had any probs with the relay. I have 12v into relay but not to the pump. Jump over the relay and the pump works. Bad relay? Is there a fuse between the relay and pump? Itís mostly in a harness thatís no accesable. Any ideas?
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post #2 of 5 (permalink) Old 11-18-2018, 02:56 PM
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did you check all the fuses ?, is all the parts oem ?, or some china junk from ebay or amazon ?. pump won't work unless your cranking it over !.

'89 trx350D foreman 4x4...'85 vf700c magna, '03 trx450fm foreman 4x4 , 2015 Yamaha waverunner fx cruiser ho, '08 vt750c2 shadow spirit
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post #3 of 5 (permalink) Old 11-18-2018, 06:06 PM Thread Starter
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1987 honda four trax

Thanks for the reply,
Yes, all OEM replacement parts? No volts past relay to pump. Brand new honda relay is in question.
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post #4 of 5 (permalink) Old 11-18-2018, 08:31 PM
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Quote:
Originally Posted by Joebe View Post
Thanks for the reply,
Yes, all OEM replacement parts? No volts past relay to pump. Brand new honda relay is in question.
let me rephrase my question...did you buy all the parts from honda ?, or ??. the pump wont work unless its cranking over, then the relay works. pump from honda ?, or china after market ??. if you paid 20 something bucks for the pump off ebay or amazon ?..then you bought a cheap knock off china fuel pump !.

'89 trx350D foreman 4x4...'85 vf700c magna, '03 trx450fm foreman 4x4 , 2015 Yamaha waverunner fx cruiser ho, '08 vt750c2 shadow spirit
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post #5 of 5 (permalink) Old 11-18-2018, 08:52 PM
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When you are jumping relay which two wires are you jumping?
See page 20-8 of the manual for fuel pump test:
Thereís voltage testing to make sure youíre not missing a ground
Jumping Bl/G to Bl/Bu?
Pump fuse next to main fuse
All of your lights working?
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